Sound muffling headwear



FIG. 1 is a left side perspective view of a sound muffling headwear showing our new design;

FIG. 2 is a right side perspective view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevation view thereof;

FIG. 8 is a front elevation view thereof; and,

FIG. 9 is another perspective view thereof, shown in a used condition attached to headwear, which is shown in broken lines representing the environment of the invention and forms no part of the claimed design. 

CLAIM The ornamental design for sound muffling headwear, as shown and described. 